Recommendation API

• -(void) getRecommendation:(NSString*)eventName andEventData:(NSDictionary*)eventData;

  Invoking this method will trigger Business Rule execution.

  eventName: Name of the event that just happened in the Application.

  eventData: Data associated with this event. Business Rules will use this data to determining a recommendation.

• -(void) setRecommendationListener:(void (^)(RecommendationResponse* recommendation))completionBlock;

  Application must set a listener to receive recommendation.

• - (BOOL)isBRReady

  Use this method to check if Business Rules are downloaded and ready to execute.

• -(void)setBRReadyListener:(void (^)(Response* success, Response *error))completionBlock;

  In case if Business Rules are not yet ready, pass a listener to this function which will be fired upon ready

	 if(!(nuanMessaging?.isBRReady())!) {
            nuanMessaging?.setBRReadyListener({ (resp, error) in
                nuanMessaging?.isBRReady()
                var dictionary: [String:Any] = [
                    "1" : 1,
                    "sale" : "hello",
                    "three" : 3
                ]
                nuanMessaging?.getRecommendation("test", andEventData: dictionary)
            })
        } else {
            print((nuanMessaging?.isBRReady())!)
        }